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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Controls And Fuel - 2.0L (LUZ) Diesel - DTC P0016 To DTC P0406) >> Diagnostic Information and Procedures >> DTC P0106: Manifold Absolute Pressure (MAP) Sensor >> Component Testing >> Skewed Sensor Test

Skewed Sensor Test

WARNING: This page is about a different variant/trim than selected.
  1. Ignition OFF, remove the B74 Manifold Absolute Pressure Sensor from the engine. Connect the harness to the sensor, if disconnected.
  2. Ignition ON, apply 17 kPa (5.0 in Hg) of vacuum to the B74 Manifold Absolute Pressure Sensor, with the GE-23738-A  . Verify the scan tool MAP Sensor pressure parameter decreases between 13-21 kPa (1.8-3.0 PSI).
    • If the parameter does not decrease between 13-21 kPa (1.8-3.0 PSI). 

      Replace the B74 Manifold Absolute Pressure Sensor.

    • If the parameter does decrease between 13-21 kPa (1.8-3.0 PSI). 
  3. Apply 34 kPa (10.0 in Hg) of vacuum to the B74 Manifold Absolute Pressure Sensor, with the GE-23738-A  . Verify the scan tool MAP Sensor pressure parameter decreases between 30-38 kPa (4.4-5.5 PSI).
    • If the parameter does not decrease between 30-38 kPa (4.4-5.5 PSI). 

      Replace the B74 Manifold Absolute Pressure Sensor.

    • If the parameter does decrease between 30-38 kPa (4.4-5.5 PSI). 
  4. All OK.
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